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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.311 by root, Fri Jul 20 16:11:10 2007 UTC vs.
Revision 1.555 by root, Wed Jun 30 01:32:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
172	=item @cf::INVOKE_RESULTS	246	=item @cf::INVOKE_RESULTS
173		247
174	This array contains the results of the last C<invoke ()> call. When	248	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	250	that call.
177		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
178	=back	258	=back
179		259
180	=cut	260	=cut
181		261
182	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	269	my $msg = join "", @_;
185		270
186	$msg .= "\n"	271	$msg .= "\n"
187	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
188		273
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		275
191	utf8::encode $msg;
192	LOG llevError, $msg;	276	LOG llevWarn, $msg;
193	};	277	};
194	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
195		292
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	303	for my $pkg (qw(
207	cf::global cf::attachable	304	cf::global cf::attachable
208	cf::object cf::object::player	305	cf::object cf::object::player
209	cf::client cf::player	306	cf::client cf::player
210	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
211	cf::map cf::party cf::region	309	cf::party cf::region
212	)) {	310	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	312	}
216		313
217	$Event::DIED = sub {	314	$EV::DIED = sub {
218	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
219	};	316	};
220		317
221	#############################################################################	318	#############################################################################
222		319
223	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	343	$d
247	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
248	}	345	}
249		346
250	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
251		348
252	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
253		350
254	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
255		352
256	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
257		354
258	=cut	355	=cut
259		356
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		358
262	sub to_json ($) { $json_coder->encode ($_[0]) }	359	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
		403	}
264		404
265	=item cf::lock_wait $string	405	=item cf::lock_wait $string
266		406
267	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
268		408
269	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
270		410
271	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
274	returned.	414	returned.
275		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
276	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
278		421
279	=item $locked = cf::lock_active $string	422	=item $locked = cf::lock_active $string
280		423
281	Return true if the lock is currently active, i.e. somebody has locked it.	424	Return true if the lock is currently active, i.e. somebody has locked it.
282		425
283	=cut	426	=cut
284		427
285	our %LOCK;	428	our $LOCKS = new Coro::SemaphoreSet;
286		429
287	sub lock_wait($) {	430	sub lock_wait($) {
288	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	432	}
296		433
297	sub lock_acquire($) {	434	sub lock_acquire($) {
298	my ($key) = @_;	435	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	436	}
310		437
311	sub lock_active($) {	438	sub lock_active($) {
312	my ($key) = @_;	439	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	440	}
316		441
317	sub freeze_mainloop {	442	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
319		444
320	my $guard = Coro::guard {	445	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	446	}
		447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
322	};	512	}
323	$TICK_WATCHER->stop;	513	};
324	$guard	514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
325	}	528	}
326		529
327	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
328		531
329	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		537
335	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
336		539
337	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
338		541
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	542	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	543	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	545	acceptable.
343		546
344	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	552	=cut
350		553
351	sub sync_job(&) {	554	sub sync_job(&) {
352	my ($job) = @_;	555	my ($job) = @_;
353		556
354	if ($Coro::current == $Coro::main) {	557	if (in_main) {
355	my $time = Event::time;	558	my $time = AE::time;
356		559
357	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
359		562
360	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	564
362	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
363		566
364	my $busy = 1;	567	my $busy = 1;
365	my @res;	568	my @res;
366		569
367	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	572	@res = eval { $job->() };
369	warn $@ if $@;	573	error $@ if $@;
370	undef $busy;	574	undef $busy;
371	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
372		576
373	while ($busy) {	577	while ($busy) {
374	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
375	}	582	}
		583	}
376		584
377	$time = Event::time - $time;	585	my $time = AE::time - $time;
378		586
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	587	$TICK_START += $time; # do not account sync jobs to server load
383		588
384	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
385	} else {	590	} else {
386	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
387		592
…		…
407	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
408		613
409	$coro	614	$coro
410	}	615	}
411		616
412	=item fork_call { }, $args	617	=item fork_call { }, @args
413		618
414	Executes the given code block with the given arguments in a seperate	619	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	620	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	621	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	622	never block itself or use any form of event handling.
418		623
419	=cut	624	=cut
420		625
421	sub _store_scalar {	626	sub post_fork {
422	open my $fh, ">", \my $buf	627	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	628	}
429		629
430	sub fork_call(&@) {	630	sub fork_call(&@) {
431	my ($cb, @args) = @_;	631	my ($cb, @args) = @_;
432		632
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	633	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	634	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	635	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		636
438	if (my $pid = fork) {	637	my @res = Coro::Util::fork_eval {
439	close $fh2;	638	cf::post_fork;
		639	&$cb
		640	} @args;
440		641
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	642	wantarray ? @res : $res[-1]
442	warn "pst<$res>" unless $res =~ /^pst/;	643	}
443	$res = Coro::Storable::thaw $res;
444		644
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	645	sub objinfo {
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
472	}	681	}
473		682
474	=item $value = cf::db_get $family => $key	683	=item $value = cf::db_get $family => $key
475		684
476	Returns a single value from the environment database.	685	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	687	=item cf::db_put $family => $key => $value
479		688
480	Stores the given C<$value> in the family. It can currently store binary	689	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
483	=cut	697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
484		718
485	our $DB;	719	our $DB;
486		720
487	sub db_init {	721	sub db_init {
488	unless ($DB) {	722	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	723	}
503		724
504	sub db_get($$) {	725	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	726	my $key = "$_[0]/$_[1]";
506		727
507	cf::sync_job {	728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
508	BDB::db_get $DB, undef, $key, my $data;	731	BDB::db_get $DB, undef, $key, my $data;
509		732
510	$! ? ()	733	$! ? ()
511	: $data	734	: $data
512	}
513	}	735	}
514		736
515	sub db_put($$$) {	737	sub db_put($$$) {
516	BDB::dbreq_pri 4;	738	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
556	if (1) {	778	if (1) {
557	$md5 =	779	$md5 =
558	join "\x00",	780	join "\x00",
559	$processversion,	781	$processversion,
560	map {	782	map {
561	Coro::cede;	783	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	784	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	785	} 0.. $#$src;
564		786
565		787
566	my $dbmd5 = db_get cache => "$id/md5";	788	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		795
574	my $t1 = Time::HiRes::time;	796	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	797	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	798	my $t2 = Time::HiRes::time;
577		799
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		801
580	db_put cache => "$id/data", $data;	802	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	803	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	804	db_put cache => "$id/meta", $meta;
583		805
…		…
593		815
594	=cut	816	=cut
595		817
596	sub datalog($@) {	818	sub datalog($@) {
597	my ($type, %kv) = @_;	819	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	821	}
600		822
601	=back	823	=back
602		824
603	=cut	825	=cut
604		826
605	#############################################################################	827	#############################################################################
606		828
607	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
608		830
609	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
610	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
612		834
613	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	837	Deliantra).
616		838
617	=over 4	839	=over 4
618		840
619	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
620		842
…		…
664	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
665		887
666	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
668		890
669	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
670	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
671		893
672	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
673		895
674	=over 4	896	=over 4
…		…
798		1020
799	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1023
802	} elsif (ref $type) {	1024	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
804		1026
805	} else {	1027	} else {
806	shift @arg;	1028	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
808	}	1030	}
809	}	1031	}
810	}	1032	}
811		1033
812	sub _object_attach {	1034	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
823	}	1045	}
824		1046
825	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
826	} else {	1048	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1050	}
829		1051
830	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
831	}	1053	}
832		1054
…		…
891		1113
892	for (@$callbacks) {	1114	for (@$callbacks) {
893	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
894		1116
895	if ($@) {	1117	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1119	override;
899	}	1120	}
900		1121
901	return 1 if $override;	1122	return 1 if $override;
902	}	1123	}
903		1124
904	0	1125	0
905	}	1126	}
906		1127
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1129
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1131
911	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
912		1133
…		…
919	=cut	1140	=cut
920		1141
921	#############################################################################	1142	#############################################################################
922	# object support	1143	# object support
923		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
		1186
924	sub reattach {	1187	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1189	my ($obj) = @_;
927		1190
		1191	# no longer needed after getting rid of delete_package?
928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
929		1193
930	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
931		1195
932	@$registry = ();	1196	@$registry = ();
933		1197
…		…
938	for (@$attach) {	1202	for (@$attach) {
939	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
941	}	1205	}
942	} else {	1206	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1208	}
945	}	1209	}
946	}	1210	}
947		1211
948	cf::attachable->attach (	1212	cf::attachable->attach (
949	prio => -1000000,	1213	prio => -1000000,
950	on_instantiate => sub {	1214	on_instantiate => sub {
951	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
952		1216
953	$data = from_json $data;	1217	$data = decode_json $data;
954		1218
955	for (@$data) {	1219	for (@$data) {
956	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
957		1221
958	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1238	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
976		1240
977	sync_job {	1241	sync_job {
978	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
981		1247
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	aio_fsync $fh if $cf::USE_FSYNC;	1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1253	aio_fsync $fh;
		1254	}
986	close $fh;	1255	aio_close $fh;
987		1256
988	if (@$objs) {	1257	if (@$objs) {
989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
990	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
993	aio_fsync $fh if $cf::USE_FSYNC;	1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1264	aio_fsync $fh;
		1265	}
994	close $fh;	1266	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
996	}	1268	}
997	} else {	1269	} else {
998	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
999	}	1271	}
1000		1272
1001	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1277	} else {
1003	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
1004	}	1279	}
1005	} else {	1280	} else {
1006	aio_unlink $filename;	1281	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
1008	}	1283	}
1009	}	1284	};
1010	}	1285	}
1011		1286
1012	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
1014		1289
…		…
1026	or return;	1301	or return;
1027		1302
1028	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1305	or return;
		1306
1031	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
1032	}	1309	}
1033		1310
		1311	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
1036	return ($data, $av);	1316	($data, $av)
1037	}	1317	}
1038		1318
1039	=head2 COMMAND CALLBACKS	1319	=head2 COMMAND CALLBACKS
1040		1320
1041	=over 4	1321	=over 4
…		…
1095	my ($name, $cb) = @_;	1375	my ($name, $cb) = @_;
1096		1376
1097	$EXTICMD{$name} = $cb;	1377	$EXTICMD{$name} = $cb;
1098	}	1378	}
1099		1379
		1380	use File::Glob ();
		1381
1100	cf::player->attach (	1382	cf::player->attach (
1101	on_command => sub {	1383	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
1103		1385
1104	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
1105	or return;	1387	or return;
1106		1388
…		…
1114	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
1115		1397
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1399
1118	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
1124	} else {	1415	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1417	}
1127		1418
1128	cf::override;	1419	cf::override;
1129	},	1420	},
1130	);	1421	);
1131		1422
		1423	# "readahead" all extensions
		1424	sub cache_extensions {
		1425	my $grp = IO::AIO::aio_group;
		1426
		1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1428	for (grep /\.ext$/, @{$_[0]}) {
		1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1430	}
		1431	};
		1432
		1433	$grp
		1434	}
		1435
1132	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
1133	cf::sync_job {	1439	cf::sync_job {
1134	my %todo;	1440	my %todo;
1135		1441
1136	for my $path (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1443	next unless -r $path;
…		…
1155		1461
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1464
1159	$ext{source} =	1465	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1466	"package $pkg; use common::sense;\n"
1161	. "#line 1 \"$path\"\n{\n"	1467	. "#line 1 \"$path\"\n{\n"
1162	. $source	1468	. $source
1163	. "\n};\n1";	1469	. "\n};\n1";
1164		1470
1165	$todo{$base} = \%ext;	1471	$todo{$base} = \%ext;
1166	}	1472	}
1167		1473
		1474	my $pass = 0;
1168	my %done;	1475	my %done;
1169	while (%todo) {	1476	while (%todo) {
1170	my $progress;	1477	my $progress;
1171		1478
		1479	++$pass;
		1480
		1481	ext:
1172	while (my ($k, $v) = each %todo) {	1482	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1483	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1484	next ext
1175	unless exists $done{$_};	1485	unless exists $done{$_};
1176	}	1486	}
1177		1487
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1489
1180	unless (eval $v->{source}) {	1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1493	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";
1183		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1496	if exists $v->{meta}{mandatory};
1185	warn $msg;	1497
1186	warn "mandatory extension failed to load, exiting.\n";	1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1499	delete $todo{$k};
1188	}	1500	} else {
1189		1501	$done{$k} = delete $todo{$k};
1190	warn $msg;	1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
1191	}	1507	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1508	}
1197		1509
1198	skip:	1510	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	unless $progress;	1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
1201	}	1518	}
1202	};	1519	};
1203	}	1520	}
1204		1521
1205	#############################################################################	1522	#############################################################################
1206		1523
1207	=back	1524	=back
1208		1525
1209	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1210		1527
1211	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1212		1529
1213	=cut	1530	=cut
1214		1531
1215	package cf::player;	1532	package cf::player;
1216		1533
1217	use Coro::AIO;	1534	use Coro::AIO;
1218		1535
1219	=head3 cf::player	1536	=head3 cf::player
1220		1537
1221	=over 4	1538	=over 4
		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
1222		1553
1223	=item cf::player::find $login	1554	=item cf::player::find $login
1224		1555
1225	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1226		1557
…		…
1245		1576
1246	sub exists($) {	1577	sub exists($) {
1247	my ($login) = @_;	1578	my ($login) = @_;
1248		1579
1249	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1581	or !aio_stat path $login
1251	}	1582	}
1252		1583
1253	sub find($) {	1584	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1586	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1596	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1597
1267	my $pl = load_pl path $login	1598	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1270	}	1607	}
1271	}	1608	}
1272	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1273		1623
1274	sub save($) {	1624	sub save($) {
1275	my ($pl) = @_;	1625	my ($pl) = @_;
1276		1626
1277	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1283		1633
1284	aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1286		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1287	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1288	Coro::cede;	1643	cf::cede_to_tick;
1289	}	1644	}
1290		1645
1291	sub new($) {	1646	sub new($) {
1292	my ($login) = @_;	1647	my ($login) = @_;
1293		1648
…		…
1299	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1300		1655
1301	$self	1656	$self
1302	}	1657	}
1303		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
1304	=item $pl->quit_character	1669	=item $pl->quit_character
1305		1670
1306	Nukes the player without looking back. If logged in, the connection will	1671	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1672	be destroyed. May block for a long time.
1308		1673
…		…
1312	my ($pl) = @_;	1677	my ($pl) = @_;
1313		1678
1314	my $name = $pl->ob->name;	1679	my $name = $pl->ob->name;
1315		1680
1316	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1683
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1320	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1322	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1323		1692
1324	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1326	aio_rename $path, $temp;	1695	aio_rename $path, $temp;
…		…
1361	or return [];	1730	or return [];
1362		1731
1363	my @logins;	1732	my @logins;
1364		1733
1365	for my $login (@$dirs) {	1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1741	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
1369		1744
1370	utf8::decode $login;	1745	utf8::decode $login;
1371	push @logins, $login;	1746	push @logins, $login;
1372	}	1747	}
1373		1748
1374	\@logins	1749	\@logins
1375	}	1750	}
1376		1751
1377	=item $player->maps	1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
1378		1755
1379	Returns an arrayref of map paths that are private for this	1756	Returns an arrayref of map paths that are private for this
1380	player. May block.	1757	player. May block.
1381		1758
1382	=cut	1759	=cut
…		…
1400	}	1777	}
1401		1778
1402	\@paths	1779	\@paths
1403	}	1780	}
1404		1781
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1783
1407	Expand crossfire pod fragments into protocol xml.	1784	Expand deliantra pod fragments into protocol xml.
1408		1785
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1456		1787
1457	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1458		1789
1459	=cut	1790	=cut
1460		1791
1461	sub ext_reply($$%) {	1792	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1463		1794
1464	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1796	}
1467		1797
1468	=item $player->ext_event ($type, %msg)	1798	=item $player->ext_msg ($type, @msg)
1469		1799
1470	Sends an ext event to the client.	1800	Sends an ext event to the client.
1471		1801
1472	=cut	1802	=cut
1473		1803
1474	sub ext_event($$%) {	1804	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1805	my ($self, $type, @msg) = @_;
1476		1806
1477	$self->ns->ext_event ($type, %msg);	1807	$self->ns->ext_msg ($type, @msg);
1478	}	1808	}
1479		1809
1480	=head3 cf::region	1810	=head3 cf::region
1481		1811
1482	=over 4	1812	=over 4
…		…
1491		1821
1492	=cut	1822	=cut
1493		1823
1494	sub find_by_path($) {	1824	sub find_by_path($) {
1495	my ($path) = @_;	1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
1496		1828
1497	my ($match, $specificity);	1829	my ($match, $specificity);
1498		1830
1499	for my $region (list) {	1831	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1832	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1528		1860
1529	sub generate_random_map {	1861	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1865
1531	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1867	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1868	$rmp, $rmp->{total_map_hp},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1543	(cf::region::find $rmp->{region}), $rmp->{custom}	1869	(cf::region::find $rmp->{region})
1544	)	1870	)
1545	}	1871	}
1546		1872
1547	=item cf::map->register ($regex, $prio)	1873	=item cf::map->register ($regex, $prio)
1548		1874
…		…
1554		1880
1555	sub register {	1881	sub register {
1556	my (undef, $regex, $prio) = @_;	1882	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	1883	my $pkg = caller;
1558		1884
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	1885	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		1886
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1887	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	1888	}
1564		1889
1565	# also paths starting with '/'	1890	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1891	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		1892
1568	sub thawer_merge {	1893	sub thawer_merge {
1569	my ($self, $merge) = @_;	1894	my ($self, $merge) = @_;
1570		1895
1571	# we have to keep some variables in memory intact	1896	# we have to keep some variables in memory intact
…		…
1576	}	1901	}
1577		1902
1578	sub normalise {	1903	sub normalise {
1579	my ($path, $base) = @_;	1904	my ($path, $base) = @_;
1580		1905
1581	$path = "$path"; # make sure its a string	1906	$path = "$path"; # make sure it's a string
1582		1907
1583	$path =~ s/\.map$//;	1908	$path =~ s/\.map$//;
1584		1909
1585	# map plan:	1910	# map plan:
1586	#	1911	#
…		…
1601	$base =~ s{[^/]+/?$}{};	1926	$base =~ s{[^/]+/?$}{};
1602	$path = "$base/$path";	1927	$path = "$base/$path";
1603	}	1928	}
1604		1929
1605	for ($path) {	1930	for ($path) {
1606	redo if s{//}{/};
1607	redo if s{/\.?/}{/};	1931	redo if s{/\.?/}{/};
1608	redo if s{/[^/]+/\.\./}{/};	1932	redo if s{/[^/]+/\.\./}{/};
1609	}	1933	}
1610		1934
1611	$path	1935	$path
…		…
1625	$self->init; # pass $1 etc.	1949	$self->init; # pass $1 etc.
1626	return $self;	1950	return $self;
1627	}	1951	}
1628	}	1952	}
1629		1953
1630	Carp::cluck "unable to resolve path '$path' (base '$base').";	1954	Carp::cluck "unable to resolve path '$path' (base '$base')";
1631	()	1955	()
1632	}	1956	}
1633		1957
1634	sub init {	1958	sub init {
1635	my ($self) = @_;	1959	my ($self) = @_;
…		…
1657		1981
1658	# the temporary/swap location	1982	# the temporary/swap location
1659	sub save_path {	1983	sub save_path {
1660	my ($self) = @_;	1984	my ($self) = @_;
1661		1985
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1986	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1987	"$TMPDIR/$path.map"
1664	}	1988	}
1665		1989
1666	# the unique path, undef == no special unique path	1990	# the unique path, undef == no special unique path
1667	sub uniq_path {	1991	sub uniq_path {
1668	my ($self) = @_;	1992	my ($self) = @_;
1669		1993
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1994	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1995	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	1996	}
1682		1997
1683	sub decay_objects {	1998	sub decay_objects {
1684	my ($self) = @_;	1999	my ($self) = @_;
1685		2000
…		…
1698		2013
1699	sub load_header_from($) {	2014	sub load_header_from($) {
1700	my ($self, $path) = @_;	2015	my ($self, $path) = @_;
1701		2016
1702	utf8::encode $path;	2017	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	2018	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	2019	or return;
		2020
		2021	$self->_load_header ($f)
		2022	or return;
		2023
		2024	local $MAP_LOADING{$self->{path}} = $self;
		2025	$f->resolve_delayed_derefs;
1708		2026
1709	$self->{load_path} = $path;	2027	$self->{load_path} = $path;
1710		2028
1711	1	2029	1
1712	}	2030	}
…		…
1764		2082
1765	sub find;	2083	sub find;
1766	sub find {	2084	sub find {
1767	my ($path, $origin) = @_;	2085	my ($path, $origin) = @_;
1768		2086
		2087	cf::cede_to_tick;
		2088
1769	$path = normalise $path, $origin && $origin->path;	2089	$path = normalise $path, $origin && $origin->path;
1770		2090
		2091	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2092	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2093
1773	$cf::MAP{$path} || do {	2094	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2095	my $map = new_from_path cf::map $path
1776	or return;	2096	or return;
1777		2097
1778	$map->{last_save} = $cf::RUNTIME;	2098	$map->{last_save} = $cf::RUNTIME;
1779		2099
…		…
1781	or return;	2101	or return;
1782		2102
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2103	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2104	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2105	#$cf::WAIT_FOR_TICK->wait;
		2106	undef $guard2;
		2107	undef $guard1;
1786	$map->reset;	2108	$map->reset;
1787	undef $guard;
1788	return find $path;	2109	return find $path;
1789	}	2110	}
1790		2111
1791	$cf::MAP{$path} = $map	2112	$cf::MAP{$path} = $map
1792	}	2113	}
1793	}	2114	}
1794		2115
1795	sub pre_load { }	2116	sub pre_load { }
1796	sub post_load { }	2117	#sub post_load { } # XS
1797		2118
1798	sub load {	2119	sub load {
1799	my ($self) = @_;	2120	my ($self) = @_;
1800		2121
1801	local $self->{deny_reset} = 1; # loading can take a long time	2122	local $self->{deny_reset} = 1; # loading can take a long time
1802		2123
1803	my $path = $self->{path};	2124	my $path = $self->{path};
1804		2125
1805	{	2126	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2127	my $guard = cf::lock_acquire "map_data:$path";
1807		2128
		2129	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2130	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2131
1810	$self->in_memory (cf::MAP_LOADING);	2132	$self->in_memory (cf::MAP_LOADING);
1811		2133
1812	$self->alloc;	2134	$self->alloc;
1813		2135
1814	$self->pre_load;	2136	$self->pre_load;
1815	Coro::cede;	2137	cf::cede_to_tick;
1816		2138
		2139	my $f = new_from_file cf::object::thawer $self->{load_path};
		2140	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2141	$self->_load_objects ($f)
1818	or return;	2142	or return;
1819		2143
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2144	$self->post_load_original
1821	if delete $self->{load_original};	2145	if delete $self->{load_original};
1822		2146
1823	if (my $uniq = $self->uniq_path) {	2147	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2148	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2149	unless (aio_stat $uniq) {
		2150	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2151	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2152	$self->_load_objects ($f);
		2153	$f->resolve_delayed_derefs;
		2154	}
1828	}	2155	}
1829	}	2156	}
1830		2157
1831	Coro::cede;	2158	$f->resolve_delayed_derefs;
		2159
		2160	cf::cede_to_tick;
1832	# now do the right thing for maps	2161	# now do the right thing for maps
1833	$self->link_multipart_objects;	2162	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2163	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2164	unless $self->difficulty;
1836	Coro::cede;	2165	cf::cede_to_tick;
1837		2166
1838	unless ($self->{deny_activate}) {	2167	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2168	$self->decay_objects;
1840	$self->fix_auto_apply;	2169	$self->fix_auto_apply;
1841	$self->update_buttons;	2170	$self->update_buttons;
1842	Coro::cede;	2171	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2172	$self->activate;
1846	}	2173	}
1847		2174
		2175	$self->{last_save} = $cf::RUNTIME;
		2176	$self->last_access ($cf::RUNTIME);
		2177
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2178	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2179	}
1850		2180
1851	$self->post_load;	2181	$self->post_load;
1852	}
1853		2182
		2183	1
		2184	}
		2185
		2186	# customize the map for a given player, i.e.
		2187	# return the _real_ map. used by e.g. per-player
		2188	# maps to change the path to ~playername/mappath
1854	sub customise_for {	2189	sub customise_for {
1855	my ($self, $ob) = @_;	2190	my ($self, $ob) = @_;
1856		2191
1857	return find "~" . $ob->name . "/" . $self->{path}	2192	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2193	if $self->per_player;
…		…
1862		2197
1863	$self	2198	$self
1864	}	2199	}
1865		2200
1866	# find and load all maps in the 3x3 area around a map	2201	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2202	sub load_neighbours {
1868	my ($map) = @_;	2203	my ($map) = @_;
1869		2204
1870	my @diag; # diagonal neighbours	2205	my @neigh; # diagonal neighbours
1871		2206
1872	for (0 .. 3) {	2207	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2208	my $neigh = $map->tile_path ($_)
1874	or next;	2209	or next;
1875	$neigh = find $neigh, $map	2210	$neigh = find $neigh, $map
1876	or next;	2211	or next;
1877	$neigh->load;	2212	$neigh->load;
1878		2213
		2214	# now find the diagonal neighbours
		2215	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2216	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2217	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2218	}
1882		2219
1883	for (@diag) {	2220	for (grep defined $_->[0], @neigh) {
		2221	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2222	my $neigh = find $path, $origin
1885	or next;	2223	or next;
1886	$neigh->load;	2224	$neigh->load;
1887	}	2225	}
1888	}	2226	}
1889		2227
1890	sub find_sync {	2228	sub find_sync {
1891	my ($path, $origin) = @_;	2229	my ($path, $origin) = @_;
1892		2230
1893	cf::sync_job { find $path, $origin }	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	find $path, $origin
1894	}	2235	}
1895		2236
1896	sub do_load_sync {	2237	sub do_load_sync {
1897	my ($map) = @_;	2238	my ($map) = @_;
1898		2239
1899	cf::sync_job { $map->load };	2240	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2241	if $Coro::current == $Coro::main;
		2242
		2243	$map->load;
1900	}	2244	}
1901		2245
1902	our %MAP_PREFETCH;	2246	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2247	our $MAP_PREFETCHER = undef;
1904		2248
1905	sub find_async {	2249	sub find_async {
1906	my ($path, $origin) = @_;	2250	my ($path, $origin, $load) = @_;
1907		2251
1908	$path = normalise $path, $origin && $origin->{path};	2252	$path = normalise $path, $origin && $origin->{path};
1909		2253
1910	if (my $map = $cf::MAP{$path}) {	2254	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2255	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2256	}
1913		2257
1914	undef $MAP_PREFETCH{$path};	2258	$MAP_PREFETCH{$path} |= $load;
		2259
1915	$MAP_PREFETCHER ||= cf::async {	2260	$MAP_PREFETCHER ||= cf::async {
		2261	$Coro::current->{desc} = "map prefetcher";
		2262
1916	while (%MAP_PREFETCH) {	2263	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2264	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2265	if (my $map = find $k) {
1919	$map->load;	2266	$map->load if $v;
1920	}	2267	}
1921		2268
1922	delete $MAP_PREFETCH{$path};	2269	delete $MAP_PREFETCH{$k};
1923	}	2270	}
1924	}	2271	}
1925	undef $MAP_PREFETCHER;	2272	undef $MAP_PREFETCHER;
1926	};	2273	};
1927	$MAP_PREFETCHER->prio (6);	2274	$MAP_PREFETCHER->prio (6);
1928		2275
1929	()	2276	()
1930	}	2277	}
1931		2278
		2279	# common code, used by both ->save and ->swapout
1932	sub save {	2280	sub _save {
1933	my ($self) = @_;	2281	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2282
1937	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1938		2284
1939	return unless $self->dirty;	2285	return unless $self->dirty;
1940		2286
…		…
1946	return if $self->{deny_save};	2292	return if $self->{deny_save};
1947		2293
1948	local $self->{last_access} = $self->last_access;#d#	2294	local $self->{last_access} = $self->last_access;#d#
1949		2295
1950	cf::async {	2296	cf::async {
		2297	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2298	$_->contr->save for $self->players;
1952	};	2299	};
		2300
		2301	cf::get_slot 0.02;
1953		2302
1954	if ($uniq) {	2303	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2304	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2305	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2306	} else {
1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2307	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1959	}	2308	}
1960	}	2309	}
1961		2310
		2311	sub save {
		2312	my ($self) = @_;
		2313
		2314	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2315
		2316	$self->_save;
		2317	}
		2318
1962	sub swap_out {	2319	sub swap_out {
1963	my ($self) = @_;	2320	my ($self) = @_;
1964		2321
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2323
		2324	return if $self->in_memory != cf::MAP_ACTIVE;
		2325	return if $self->{deny_save};
1970	return if $self->players;	2326	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		2327
		2328	# first deactivate the map and "unlink" it from the core
		2329	$self->deactivate;
		2330	$_->clear_links_to ($self) for values %cf::MAP;
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# then atomically save
		2334	$self->_save;
		2335
		2336	# then free the map
1974	$self->clear;	2337	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2338	}
1977		2339
1978	sub reset_at {	2340	sub reset_at {
1979	my ($self) = @_;	2341	my ($self) = @_;
1980		2342
…		…
1998		2360
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2362
2001	return if $self->players;	2363	return if $self->players;
2002		2364
2003	warn "resetting map ", $self->path;	2365	cf::trace "resetting map ", $self->path, "\n";
2004		2366
2005	$self->in_memory (cf::MAP_SWAPPED);	2367	$self->in_memory (cf::MAP_SWAPPED);
2006		2368
2007	# need to save uniques path	2369	# need to save uniques path
2008	unless ($self->{deny_save}) {	2370	unless ($self->{deny_save}) {
…		…
2012	if $uniq;	2374	if $uniq;
2013	}	2375	}
2014		2376
2015	delete $cf::MAP{$self->path};	2377	delete $cf::MAP{$self->path};
2016		2378
		2379	$self->deactivate;
		2380	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2381	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2382
2021	$self->unlink_save;	2383	$self->unlink_save;
2022	$self->destroy;	2384	$self->destroy;
2023	}	2385	}
2024		2386
2025	my $nuke_counter = "aaaa";	2387	my $nuke_counter = "aaaa";
2026		2388
2027	sub nuke {	2389	sub nuke {
2028	my ($self) = @_;	2390	my ($self) = @_;
2029		2391
		2392	{
		2393	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2394
2030	delete $cf::MAP{$self->path};	2395	delete $cf::MAP{$self->path};
2031		2396
2032	$self->unlink_save;	2397	$self->unlink_save;
2033		2398
2034	bless $self, "cf::map";	2399	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2400	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2401	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2402	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2403	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2404
2040	$cf::MAP{$self->path} = $self;	2405	$cf::MAP{$self->path} = $self;
		2406	}
2041		2407
2042	$self->reset; # polite request, might not happen	2408	$self->reset; # polite request, might not happen
2043	}	2409	}
2044		2410
2045	=item $maps = cf::map::tmp_maps	2411	=item $maps = cf::map::tmp_maps
…		…
2087		2453
2088	sub unique_maps() {	2454	sub unique_maps() {
2089	[	2455	[
2090	map {	2456	map {
2091	utf8::decode $_;	2457	utf8::decode $_;
2092	/\.map$/	2458	s/\.map$//; # TODO future compatibility hack
		2459	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2460	? ()
2093	? normalise $_	2461	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2462	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2463	]
2097	}	2464	}
2098		2465
2099	package cf;	2466	=item cf::map::static_maps
		2467
		2468	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2469	file in the shared directory excluding F</styles> and F</editor>). May
		2470	block.
		2471
		2472	=cut
		2473
		2474	sub static_maps() {
		2475	my @dirs = "";
		2476	my @maps;
		2477
		2478	while (@dirs) {
		2479	my $dir = shift @dirs;
		2480
		2481	next if $dir eq "/styles" || $dir eq "/editor";
		2482
		2483	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2484	or return;
		2485
		2486	for (@$files) {
		2487	s/\.map$// or next;
		2488	utf8::decode $_;
		2489	push @maps, "$dir/$_";
		2490	}
		2491
		2492	push @dirs, map "$dir/$_", @$dirs;
		2493	}
		2494
		2495	\@maps
		2496	}
2100		2497
2101	=back	2498	=back
2102		2499
2103	=head3 cf::object	2500	=head3 cf::object
2104		2501
…		…
2108		2505
2109	=over 4	2506	=over 4
2110		2507
2111	=item $ob->inv_recursive	2508	=item $ob->inv_recursive
2112		2509
2113	Returns the inventory of the object _and_ their inventories, recursively.	2510	Returns the inventory of the object I<and> their inventories, recursively,
		2511	but I<not> the object itself.
2114		2512
2115	=cut	2513	=cut
2116		2514
2117	sub inv_recursive_;	2515	sub inv_recursive_;
2118	sub inv_recursive_ {	2516	sub inv_recursive_ {
…		…
2121		2519
2122	sub inv_recursive {	2520	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2521	inv_recursive_ inv $_[0]
2124	}	2522	}
2125		2523
		2524	=item $ref = $ob->ref
		2525
		2526	Creates and returns a persistent reference to an object that can be stored as a string.
		2527
		2528	=item $ob = cf::object::deref ($refstring)
		2529
		2530	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2531	even if the object actually exists. May block.
		2532
		2533	=cut
		2534
		2535	sub deref {
		2536	my ($ref) = @_;
		2537
		2538	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2539	my ($uuid, $name) = ($1, $2);
		2540	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2541	or return;
		2542	$pl->ob->uuid eq $uuid
		2543	or return;
		2544
		2545	$pl->ob
		2546	} else {
		2547	warn "$ref: cannot resolve object reference\n";
		2548	undef
		2549	}
		2550	}
		2551
2126	package cf;	2552	package cf;
2127		2553
2128	=back	2554	=back
2129		2555
2130	=head3 cf::object::player	2556	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2562	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2137	can be C<undef>. Does the right thing when the player is currently in a	2563	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2564	dialogue with the given NPC character.
2139		2565
2140	=cut	2566	=cut
		2567
		2568	our $SAY_CHANNEL = {
		2569	id => "say",
		2570	title => "Map",
		2571	reply => "say ",
		2572	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2573	};
		2574
		2575	our $CHAT_CHANNEL = {
		2576	id => "chat",
		2577	title => "Chat",
		2578	reply => "chat ",
		2579	tooltip => "Player chat and shouts, global to the server.",
		2580	};
2141		2581
2142	# rough implementation of a future "reply" method that works	2582	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2583	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2584	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2585	sub cf::object::player::reply($$$;$) {
…		…
2152		2592
2153	} else {	2593	} else {
2154	my $pl = $self->contr;	2594	my $pl = $self->contr;
2155		2595
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2596	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2597	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2598	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2599
2165	} else {	2600	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2601	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2602	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2603	}
2169	}	2604	}
		2605	}
		2606
		2607	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2608
		2609	=cut
		2610
		2611	sub cf::object::send_msg {
		2612	my $pl = shift->contr
		2613	or return;
		2614	$pl->send_msg (@_);
2170	}	2615	}
2171		2616
2172	=item $player_object->may ("access")	2617	=item $player_object->may ("access")
2173		2618
2174	Returns wether the given player is authorized to access resource "access"	2619	Returns wether the given player is authorized to access resource "access"
…		…
2187		2632
2188	=item $player_object->enter_link	2633	=item $player_object->enter_link
2189		2634
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2635	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2636
2192	The player should be reasonably safe there for short amounts of time. You	2637	The player should be reasonably safe there for short amounts of time (e.g.
2193	I<MUST> call C<leave_link> as soon as possible, though.	2638	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2639	though, as the player cannot control the character while it is on the link
		2640	map.
2194		2641
2195	Will never block.	2642	Will never block.
2196		2643
2197	=item $player_object->leave_link ($map, $x, $y)	2644	=item $player_object->leave_link ($map, $x, $y)
2198		2645
…		…
2218	sub cf::object::player::enter_link {	2665	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2666	my ($self) = @_;
2220		2667
2221	$self->deactivate_recursive;	2668	$self->deactivate_recursive;
2222		2669
		2670	++$self->{_link_recursion};
		2671
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2672	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2673
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2674	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2675	if $self->map && $self->map->{path} ne "{link}";
2227		2676
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2677	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2678	}
2230		2679
2231	sub cf::object::player::leave_link {	2680	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2681	my ($self, $map, $x, $y) = @_;
2233		2682
…		…
2250	($x, $y) = (-1, -1)	2699	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2700	unless (defined $x) && (defined $y);
2252		2701
2253	# use -1 or undef as default coordinates, not 0, 0	2702	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2703	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2704	if $x <= 0 && $y <= 0;
2256		2705
2257	$map->load;	2706	$map->load;
2258	$map->load_diag;	2707	$map->load_neighbours;
2259		2708
2260	return unless $self->contr->active;	2709	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2710
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2711	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2712	if ($self->enter_map ($map, $x, $y)) {
2265	}	2713	# entering was successful
		2714	delete $self->{_link_recursion};
		2715	# only activate afterwards, to support waiting in hooks
		2716	$self->activate_recursive;
		2717	}
2266		2718
		2719	}
		2720
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2721	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2722
2269	Moves the player to the given map-path and coordinates by first freezing	2723	Moves the player to the given map-path and coordinates by first freezing
2270	her, loading and preparing them map, calling the provided $check callback	2724	her, loading and preparing them map, calling the provided $check callback
2271	that has to return the map if sucecssful, and then unfreezes the player on	2725	that has to return the map if sucecssful, and then unfreezes the player on
2272	the new (success) or old (failed) map position. In either case, $done will	2726	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2727	be called at the end of this process.
2274		2728
		2729	Note that $check will be called with a potentially non-loaded map, so if
		2730	it needs a loaded map it has to call C<< ->load >>.
		2731
2275	=cut	2732	=cut
2276		2733
2277	our $GOTOGEN;	2734	our $GOTOGEN;
2278		2735
2279	sub cf::object::player::goto {	2736	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2737	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2738
		2739	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2740	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2741	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2742	($path, $x, $y) = @$EMERGENCY_POSITION;
		2743	}
		2744
2282	# do generation counting so two concurrent goto's will be executed in-order	2745	# do generation counting so two concurrent goto's will be executed in-order
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2746	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2747
2285	$self->enter_link;	2748	$self->enter_link;
2286		2749
2287	(async {	2750	(async {
		2751	$Coro::current->{desc} = "player::goto $path $x $y";
		2752
		2753	# *tag paths override both path and x|y
		2754	if ($path =~ /^\*(.*)$/) {
		2755	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2756	my $ob = $obs[rand @obs];
		2757
		2758	# see if we actually can go there
		2759	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2760	$ob = $obs[rand @obs];
		2761	} else {
		2762	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2763	}
		2764	# else put us there anyways for now #d#
		2765
		2766	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2767	} else {
		2768	($path, $x, $y) = (undef, undef, undef);
		2769	}
		2770	}
		2771
2288	my $map = eval {	2772	my $map = eval {
2289	my $map = cf::map::find $path;	2773	my $map = defined $path ? cf::map::find $path : undef;
2290		2774
2291	if ($map) {	2775	if ($map) {
2292	$map = $map->customise_for ($self);	2776	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2777	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2778	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2779	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2780	}
2297		2781
2298	$map	2782	$map
2299	};	2783	};
2300		2784
…		…
2306	if ($gen == $self->{_goto_generation}) {	2790	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2791	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2792	$self->leave_link ($map, $x, $y);
2309	}	2793	}
2310		2794
2311	$done->() if $done;	2795	$done->($self) if $done;
2312	})->prio (1);	2796	})->prio (1);
2313	}	2797	}
2314		2798
2315	=item $player_object->enter_exit ($exit_object)	2799	=item $player_object->enter_exit ($exit_object)
2316		2800
…		…
2336	}	2820	}
2337		2821
2338	sub prepare_random_map {	2822	sub prepare_random_map {
2339	my ($exit) = @_;	2823	my ($exit) = @_;
2340		2824
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2825	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2826	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2827	# that depends on the exit object
2346		2828
2347	my $rmp = parse_random_map_params $exit->msg;	2829	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2831	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2832	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2833	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2834	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2835	$rmp->{origin_y} = $exit->y;
		2836
		2837	$exit->map->touch;
2354	}	2838	}
2355		2839
2356	$rmp->{random_seed} ||= $exit->random_seed;	2840	$rmp->{random_seed} ||= $exit->random_seed;
2357		2841
2358	my $data = cf::to_json $rmp;	2842	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2843	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2844	my $meta = "$RANDOMDIR/$md5.meta";
2361		2845
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2846	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2847	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2848	undef $fh;
2365	aio_rename "$meta~", $meta;	2849	aio_rename "$meta~", $meta;
2366		2850
		2851	my $slaying = "?random/$md5";
		2852
		2853	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2854	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2855	$exit->msg (undef);
		2856	}
2369	}	2857	}
2370	}	2858	}
2371		2859
2372	sub cf::object::player::enter_exit {	2860	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2861	my ($self, $exit) = @_;
2374		2862
2375	return unless $self->type == cf::PLAYER;	2863	return unless $self->type == cf::PLAYER;
2376		2864
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2865	$self->enter_link;
2389		2866
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2867	(async {
2395	$self->deactivate_recursive; # just to be sure	2868	$Coro::current->{desc} = "enter_exit";
		2869
2396	unless (eval {	2870	unless (eval {
		2871	$self->deactivate_recursive; # just to be sure
		2872
		2873	# random map handling
		2874	{
		2875	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2876
		2877	prepare_random_map $exit
		2878	if $exit->slaying eq "/!";
		2879	}
		2880
		2881	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2882	my $x = $exit->stats->hp;
		2883	my $y = $exit->stats->sp;
		2884
2397	$self->goto ($slaying, $hp, $sp);	2885	$self->goto ($map, $x, $y);
2398		2886
		2887	# if exit is damned, update players death & WoR home-position
		2888	$self->contr->savebed ($map, $x, $y)
		2889	if $exit->flag (cf::FLAG_DAMNED);
		2890
2399	1;	2891	1
2400	}) {	2892	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2893	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	2894	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	2895	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2896	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2897
2406	warn "ERROR in enter_exit: $@";	2898	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	2899	$self->leave_link;
2408	}	2900	}
2409	})->prio (1);	2901	})->prio (1);
2410	}	2902	}
2411		2903
…		…
2423	sub cf::client::send_drawinfo {	2915	sub cf::client::send_drawinfo {
2424	my ($self, $text, $flags) = @_;	2916	my ($self, $text, $flags) = @_;
2425		2917
2426	utf8::encode $text;	2918	utf8::encode $text;
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2919	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2920	}
		2921
		2922	=item $client->send_big_packet ($pkt)
		2923
		2924	Like C<send_packet>, but tries to compress large packets, and fragments
		2925	them as required.
		2926
		2927	=cut
		2928
		2929	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2930
		2931	sub cf::client::send_big_packet {
		2932	my ($self, $pkt) = @_;
		2933
		2934	# try lzf for large packets
		2935	$pkt = "lzf " . Compress::LZF::compress $pkt
		2936	if 1024 <= length $pkt and $self->{can_lzf};
		2937
		2938	# split very large packets
		2939	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2940	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2941	$pkt = "frag";
		2942	}
		2943
		2944	$self->send_packet ($pkt);
2428	}	2945	}
2429		2946
2430	=item $client->send_msg ($channel, $msg, $color, [extra...])	2947	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2948
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2949	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2951	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2952	the message unless the client supports the msg packet.
2436		2953
2437	=cut	2954	=cut
2438		2955
		2956	# non-persistent channels (usually the info channel)
		2957	our %CHANNEL = (
		2958	"c/motd" => {
		2959	id => "infobox",
		2960	title => "MOTD",
		2961	reply => undef,
		2962	tooltip => "The message of the day",
		2963	},
		2964	"c/identify" => {
		2965	id => "infobox",
		2966	title => "Identify",
		2967	reply => undef,
		2968	tooltip => "Items recently identified",
		2969	},
		2970	"c/examine" => {
		2971	id => "infobox",
		2972	title => "Examine",
		2973	reply => undef,
		2974	tooltip => "Signs and other items you examined",
		2975	},
		2976	"c/shopinfo" => {
		2977	id => "infobox",
		2978	title => "Shop Info",
		2979	reply => undef,
		2980	tooltip => "What your bargaining skill tells you about the shop",
		2981	},
		2982	"c/book" => {
		2983	id => "infobox",
		2984	title => "Book",
		2985	reply => undef,
		2986	tooltip => "The contents of a note or book",
		2987	},
		2988	"c/lookat" => {
		2989	id => "infobox",
		2990	title => "Look",
		2991	reply => undef,
		2992	tooltip => "What you saw there",
		2993	},
		2994	"c/who" => {
		2995	id => "infobox",
		2996	title => "Players",
		2997	reply => undef,
		2998	tooltip => "Shows players who are currently online",
		2999	},
		3000	"c/body" => {
		3001	id => "infobox",
		3002	title => "Body Parts",
		3003	reply => undef,
		3004	tooltip => "Shows which body parts you posess and are available",
		3005	},
		3006	"c/statistics" => {
		3007	id => "infobox",
		3008	title => "Statistics",
		3009	reply => undef,
		3010	tooltip => "Shows your primary statistics",
		3011	},
		3012	"c/skills" => {
		3013	id => "infobox",
		3014	title => "Skills",
		3015	reply => undef,
		3016	tooltip => "Shows your experience per skill and item power",
		3017	},
		3018	"c/shopitems" => {
		3019	id => "infobox",
		3020	title => "Shop Items",
		3021	reply => undef,
		3022	tooltip => "Shows the items currently for sale in this shop",
		3023	},
		3024	"c/resistances" => {
		3025	id => "infobox",
		3026	title => "Resistances",
		3027	reply => undef,
		3028	tooltip => "Shows your resistances",
		3029	},
		3030	"c/pets" => {
		3031	id => "infobox",
		3032	title => "Pets",
		3033	reply => undef,
		3034	tooltip => "Shows information abotu your pets/a specific pet",
		3035	},
		3036	"c/perceiveself" => {
		3037	id => "infobox",
		3038	title => "Perceive Self",
		3039	reply => undef,
		3040	tooltip => "You gained detailed knowledge about yourself",
		3041	},
		3042	"c/uptime" => {
		3043	id => "infobox",
		3044	title => "Uptime",
		3045	reply => undef,
		3046	tooltip => "How long the server has been running since last restart",
		3047	},
		3048	"c/mapinfo" => {
		3049	id => "infobox",
		3050	title => "Map Info",
		3051	reply => undef,
		3052	tooltip => "Information related to the maps",
		3053	},
		3054	"c/party" => {
		3055	id => "party",
		3056	title => "Party",
		3057	reply => "gsay ",
		3058	tooltip => "Messages and chat related to your party",
		3059	},
		3060	"c/death" => {
		3061	id => "death",
		3062	title => "Death",
		3063	reply => undef,
		3064	tooltip => "Reason for and more info about your most recent death",
		3065	},
		3066	"c/say" => $SAY_CHANNEL,
		3067	"c/chat" => $CHAT_CHANNEL,
		3068	);
		3069
2439	sub cf::client::send_msg {	3070	sub cf::client::send_msg {
2440	my ($self, $channel, $msg, $color, @extra) = @_;	3071	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3072
2442	$msg = $self->pl->expand_cfpod ($msg);	3073	$msg = $self->pl->expand_cfpod ($msg)
		3074	unless $color & cf::NDI_VERBATIM;
2443		3075
2444	return unless @extra || length $msg;
2445
2446	$color &= ~cf::NDI_UNIQUE; # just in case...	3076	$color &= cf::NDI_CLIENT_MASK; # just in case...
2447		3077
		3078	# check predefined channels, for the benefit of C
		3079	if ($CHANNEL{$channel}) {
		3080	$channel = $CHANNEL{$channel};
		3081
		3082	$self->ext_msg (channel_info => $channel);
		3083	$channel = $channel->{id};
		3084
2448	if (ref $channel) {	3085	} elsif (ref $channel) {
2449	# send meta info to client, if not yet sent	3086	# send meta info to client, if not yet sent
2450	unless (exists $self->{channel}{$channel->{id}}) {	3087	unless (exists $self->{channel}{$channel->{id}}) {
2451	$self->{channel}{$channel->{id}} = $channel;	3088	$self->{channel}{$channel->{id}} = $channel;
2452	$self->ext_event (channel_info => %$channel);	3089	$self->ext_msg (channel_info => $channel);
2453	}	3090	}
2454		3091
2455	$channel = $channel->{id};	3092	$channel = $channel->{id};
2456	}	3093	}
2457		3094
2458	if ($self->can_msg) {	3095	return unless @extra || length $msg;
2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2460	} else {
2461	# replace some tags by gcfclient-compatible ones
2462	for ($msg) {
2463	1 while
2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2469	}
2470		3096
2471	if ($color >= 0) {	3097	# default colour, mask it out
2472	if (0 && $msg =~ /\[/) {	3098	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2473	$self->send_packet ("drawextinfo $color 4 0 $msg")	3099	if $color & cf::NDI_DEF;
2474	} else {
2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2476	$self->send_packet ("drawinfo $color $msg")
2477	}
2478	}
2479	}
2480	}
2481		3100
		3101	my $pkt = "msg "
		3102	. $self->{json_coder}->encode (
		3103	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3104	);
		3105
		3106	$self->send_big_packet ($pkt);
		3107	}
		3108
2482	=item $client->ext_event ($type, %msg)	3109	=item $client->ext_msg ($type, @msg)
2483		3110
2484	Sends an ext event to the client.	3111	Sends an ext event to the client.
2485		3112
2486	=cut	3113	=cut
2487		3114
2488	sub cf::client::ext_event($$%) {	3115	sub cf::client::ext_msg($$@) {
2489	my ($self, $type, %msg) = @_;	3116	my ($self, $type, @msg) = @_;
2490		3117
2491	return unless $self->extcmd;	3118	if ($self->extcmd == 2) {
2492		3119	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3120	} elsif ($self->extcmd == 1) { # TODO: remove
2493	$msg{msgtype} = "event_$type";	3121	push @msg, msgtype => "event_$type";
2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3122	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3123	}
		3124	}
		3125
		3126	=item $client->ext_reply ($msgid, @msg)
		3127
		3128	Sends an ext reply to the client.
		3129
		3130	=cut
		3131
		3132	sub cf::client::ext_reply($$@) {
		3133	my ($self, $id, @msg) = @_;
		3134
		3135	if ($self->extcmd == 2) {
		3136	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3137	} elsif ($self->extcmd == 1) {
		3138	#TODO: version 1, remove
		3139	unshift @msg, msgtype => "reply", msgid => $id;
		3140	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3141	}
2495	}	3142	}
2496		3143
2497	=item $success = $client->query ($flags, "text", \&cb)	3144	=item $success = $client->query ($flags, "text", \&cb)
2498		3145
2499	Queues a query to the client, calling the given callback with	3146	Queues a query to the client, calling the given callback with
…		…
2554	my ($ns, $buf) = @_;	3201	my ($ns, $buf) = @_;
2555		3202
2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3203	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2557		3204
2558	if (ref $msg) {	3205	if (ref $msg) {
		3206	my ($type, $reply, @payload) =
		3207	"ARRAY" eq ref $msg
		3208	? @$msg
		3209	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3210
		3211	my @reply;
		3212
2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3213	if (my $cb = $EXTICMD{$type}) {
2560	if (my %reply = $cb->($ns, $msg)) {	3214	@reply = $cb->($ns, @payload);
2561	$reply{msgid} = $msg->{msgid};
2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2563	}
2564	}	3215	}
		3216
		3217	$ns->ext_reply ($reply, @reply)
		3218	if $reply;
		3219
2565	} else {	3220	} else {
2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3221	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2567	}	3222	}
2568		3223
2569	cf::override;	3224	cf::override;
2570	},	3225	},
2571	);	3226	);
…		…
2591		3246
2592	$coro	3247	$coro
2593	}	3248	}
2594		3249
2595	cf::client->attach (	3250	cf::client->attach (
2596	on_destroy => sub {	3251	on_client_destroy => sub {
2597	my ($ns) = @_;	3252	my ($ns) = @_;
2598		3253
2599	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3254	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2600	},	3255	},
2601	);	3256	);
…		…
2616	our $safe = new Safe "safe";	3271	our $safe = new Safe "safe";
2617	our $safe_hole = new Safe::Hole;	3272	our $safe_hole = new Safe::Hole;
2618		3273
2619	$SIG{FPE} = 'IGNORE';	3274	$SIG{FPE} = 'IGNORE';
2620		3275
2621	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3276	$safe->permit_only (Opcode::opset qw(
		3277	:base_core :base_mem :base_orig :base_math :base_loop
		3278	grepstart grepwhile mapstart mapwhile
		3279	sort time
		3280	));
2622		3281
2623	# here we export the classes and methods available to script code	3282	# here we export the classes and methods available to script code
2624		3283
2625	=pod	3284	=pod
2626		3285
2627	The following functions and methods are available within a safe environment:	3286	The following functions and methods are available within a safe environment:
2628		3287
2629	cf::object	3288	cf::object
2630	contr pay_amount pay_player map x y force_find force_add	3289	contr pay_amount pay_player map x y force_find force_add destroy
2631	insert remove	3290	insert remove name archname title slaying race decrease split
		3291	value
2632		3292
2633	cf::object::player	3293	cf::object::player
2634	player	3294	player
2635		3295
2636	cf::player	3296	cf::player
…		…
2641		3301
2642	=cut	3302	=cut
2643		3303
2644	for (	3304	for (
2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3305	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2646	insert remove)],	3306	insert remove inv nrof name archname title slaying race
		3307	decrease split destroy change_exp value msg lore send_msg)],
2647	["cf::object::player" => qw(player)],	3308	["cf::object::player" => qw(player)],
2648	["cf::player" => qw(peaceful)],	3309	["cf::player" => qw(peaceful send_msg)],
2649	["cf::map" => qw(trigger)],	3310	["cf::map" => qw(trigger)],
2650	) {	3311	) {
2651	no strict 'refs';
2652	my ($pkg, @funs) = @$_;	3312	my ($pkg, @funs) = @$_;
2653	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3313	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2654	for @funs;	3314	for @funs;
2655	}	3315	}
2656		3316
…		…
2671		3331
2672	my $qcode = $code;	3332	my $qcode = $code;
2673	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3333	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2674	$qcode =~ s/\n/\\n/g;	3334	$qcode =~ s/\n/\\n/g;
2675		3335
		3336	%vars = (_dummy => 0) unless %vars;
		3337
		3338	my @res;
2676	local $_;	3339	local $_;
2677	local @safe::cf::_safe_eval_args = values %vars;
2678		3340
2679	my $eval =	3341	my $eval =
2680	"do {\n"	3342	"do {\n"
2681	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3343	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2682	. "#line 0 \"{$qcode}\"\n"	3344	. "#line 0 \"{$qcode}\"\n"
2683	. $code	3345	. $code
2684	. "\n}"	3346	. "\n}"
2685	;	3347	;
2686		3348
		3349	if ($CFG{safe_eval}) {
2687	sub_generation_inc;	3350	sub_generation_inc;
		3351	local @safe::cf::_safe_eval_args = values %vars;
2688	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3352	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2689	sub_generation_inc;	3353	sub_generation_inc;
		3354	} else {
		3355	local @cf::_safe_eval_args = values %vars;
		3356	@res = wantarray ? eval eval : scalar eval $eval;
		3357	}
2690		3358
2691	if ($@) {	3359	if ($@) {
2692	warn "$@";	3360	warn "$@",
2693	warn "while executing safe code '$code'\n";	3361	"while executing safe code '$code'\n",
2694	warn "with arguments " . (join " ", %vars) . "\n";	3362	"with arguments " . (join " ", %vars) . "\n";
2695	}	3363	}
2696		3364
2697	wantarray ? @res : $res[0]	3365	wantarray ? @res : $res[0]
2698	}	3366	}
2699		3367
…		…
2713	=cut	3381	=cut
2714		3382
2715	sub register_script_function {	3383	sub register_script_function {
2716	my ($fun, $cb) = @_;	3384	my ($fun, $cb) = @_;
2717		3385
2718	no strict 'refs';	3386	$fun = "safe::$fun" if $CFG{safe_eval};
2719	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3387	*$fun = $safe_hole->wrap ($cb);
2720	}	3388	}
2721		3389
2722	=back	3390	=back
2723		3391
2724	=cut	3392	=cut
…		…
2727	# the server's init and main functions	3395	# the server's init and main functions
2728		3396
2729	sub load_facedata($) {	3397	sub load_facedata($) {
2730	my ($path) = @_;	3398	my ($path) = @_;
2731		3399
		3400	# HACK to clear player env face cache, we need some signal framework
		3401	# for this (global event?)
		3402	%ext::player_env::MUSIC_FACE_CACHE = ();
		3403
		3404	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3405
2732	warn "loading facedata from $path\n";	3406	trace "loading facedata from $path\n";
2733		3407
2734	my $facedata;
2735	0 < aio_load $path, $facedata	3408	0 < aio_load $path, my $facedata
2736	or die "$path: $!";	3409	or die "$path: $!";
2737		3410
2738	$facedata = Coro::Storable::thaw $facedata;	3411	$facedata = Coro::Storable::thaw $facedata;
2739		3412
2740	$facedata->{version} == 2	3413	$facedata->{version} == 2
2741	or cf::cleanup "$path: version mismatch, cannot proceed.";	3414	or cf::cleanup "$path: version mismatch, cannot proceed.";
2742		3415
		3416	# patch in the exptable
		3417	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3418	$facedata->{resource}{"res/exp_table"} = {
		3419	type => FT_RSRC,
		3420	data => $exp_table,
		3421	hash => (Digest::MD5::md5 $exp_table),
		3422	};
		3423	cf::cede_to_tick;
		3424
2743	{	3425	{
2744	my $faces = $facedata->{faceinfo};	3426	my $faces = $facedata->{faceinfo};
2745		3427
2746	while (my ($face, $info) = each %$faces) {	3428	while (my ($face, $info) = each %$faces) {
2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3429	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3430
2748	cf::face::set_visibility $idx, $info->{visibility};	3431	cf::face::set_visibility $idx, $info->{visibility};
2749	cf::face::set_magicmap $idx, $info->{magicmap};	3432	cf::face::set_magicmap $idx, $info->{magicmap};
2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3433	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3434	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2752		3435
2753	cf::cede_to_tick;	3436	cf::cede_to_tick;
2754	}	3437	}
2755		3438
2756	while (my ($face, $info) = each %$faces) {	3439	while (my ($face, $info) = each %$faces) {
2757	next unless $info->{smooth};	3440	next unless $info->{smooth};
		3441
2758	my $idx = cf::face::find $face	3442	my $idx = cf::face::find $face
2759	or next;	3443	or next;
		3444
2760	if (my $smooth = cf::face::find $info->{smooth}) {	3445	if (my $smooth = cf::face::find $info->{smooth}) {
2761	cf::face::set_smooth $idx, $smooth;	3446	cf::face::set_smooth $idx, $smooth;
2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3447	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2763	} else {	3448	} else {
2764	warn "smooth face '$info->{smooth}' not found for face '$face'";	3449	error "smooth face '$info->{smooth}' not found for face '$face'";
2765	}	3450	}
2766		3451
2767	cf::cede_to_tick;	3452	cf::cede_to_tick;
2768	}	3453	}
2769	}	3454	}
…		…
2778		3463
2779	cf::anim::invalidate_all; # d'oh	3464	cf::anim::invalidate_all; # d'oh
2780	}	3465	}
2781		3466
2782	{	3467	{
2783	# TODO: for gcfclient pleasure, we should give resources
2784	# that gcfclient doesn't grok a >10000 face index.
2785	my $res = $facedata->{resource};	3468	my $res = $facedata->{resource};
2786	my $enc = JSON::XS->new->utf8->canonical;
2787		3469
2788	while (my ($name, $info) = each %$res) {	3470	while (my ($name, $info) = each %$res) {
2789	my $meta = $enc->encode ({	3471	if (defined $info->{type}) {
2790	name => $name,
2791	type => $info->{type},
2792	copyright => $info->{copyright}, #TODO#
2793	});
2794
2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3472	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2796		3473
2797	if ($name =~ /\.jpg$/) {
2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3474	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3475	cf::face::set_type $idx, $info->{type};
2800	} else {	3476	} else {
2801	my $data = pack "(w/a*)*", $meta, $info->{data};	3477	$RESOURCE{$name} = $info; # unused
2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2803
2804	cf::face::set_type $idx, 1;
2805	cf::face::set_data $idx, 0, $data, $chk;
2806	}	3478	}
2807		3479
2808	cf::cede_to_tick;	3480	cf::cede_to_tick;
2809	}	3481	}
2810	}	3482	}
2811		3483
		3484	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3485
2812	1	3486	1
2813	}	3487	}
2814		3488
		3489	register_exticmd fx_want => sub {
		3490	my ($ns, $want) = @_;
		3491
		3492	while (my ($k, $v) = each %$want) {
		3493	$ns->fx_want ($k, $v);
		3494	}
		3495	};
		3496
		3497	sub load_resource_file($) {
		3498	my $guard = lock_acquire "load_resource_file";
		3499
		3500	my $status = load_resource_file_ $_[0];
		3501	get_slot 0.1, 100;
		3502	cf::arch::commit_load;
		3503
		3504	$status
		3505	}
		3506
2815	sub reload_regions {	3507	sub reload_regions {
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
2816	load_resource_file "$MAPDIR/regions"	3512	load_resource_file "$MAPDIR/regions"
2817	or die "unable to load regions file\n";	3513	or die "unable to load regions file\n";
2818		3514
2819	for (cf::region::list) {	3515	for (cf::region::list) {
2820	$_->{match} = qr/$_->{match}/	3516	$_->{match} = qr/$_->{match}/
…		…
2828	}	3524	}
2829		3525
2830	sub reload_archetypes {	3526	sub reload_archetypes {
2831	load_resource_file "$DATADIR/archetypes"	3527	load_resource_file "$DATADIR/archetypes"
2832	or die "unable to load archetypes\n";	3528	or die "unable to load archetypes\n";
2833	#d# NEED to laod twice to resolve forward references
2834	# this really needs to be done in an extra post-pass
2835	# (which needs to be synchronous, so solve it differently)
2836	load_resource_file "$DATADIR/archetypes"
2837	or die "unable to load archetypes\n";
2838	}	3529	}
2839		3530
2840	sub reload_treasures {	3531	sub reload_treasures {
2841	load_resource_file "$DATADIR/treasures"	3532	load_resource_file "$DATADIR/treasures"
2842	or die "unable to load treasurelists\n";	3533	or die "unable to load treasurelists\n";
2843	}	3534	}
2844		3535
		3536	sub reload_sound {
		3537	trace "loading sound config from $DATADIR/sound\n";
		3538
		3539	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3540	or die "$DATADIR/sound $!";
		3541
		3542	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3543
		3544	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3545	my $sound = $soundconf->{compat}[$_]
		3546	or next;
		3547
		3548	my $face = cf::face::find "sound/$sound->[1]";
		3549	cf::sound::set $sound->[0] => $face;
		3550	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3551	}
		3552
		3553	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3554	my $face = cf::face::find "sound/$v";
		3555	cf::sound::set $k => $face;
		3556	}
		3557	}
		3558
2845	sub reload_resources {	3559	sub reload_resources {
2846	warn "reloading resource files...\n";	3560	trace "reloading resource files...\n";
2847		3561
		3562	reload_exp_table;
		3563	reload_materials;
		3564	reload_facedata;
		3565	reload_sound;
		3566	reload_archetypes;
2848	reload_regions;	3567	reload_regions;
2849	reload_facedata;
2850	#reload_archetypes;#d#
2851	reload_archetypes;
2852	reload_treasures;	3568	reload_treasures;
2853		3569
2854	warn "finished reloading resource files\n";	3570	trace "finished reloading resource files\n";
2855	}	3571	}
2856		3572
2857	sub init {	3573	sub reload_config {
2858	reload_resources;	3574	trace "reloading config file...\n";
2859	}
2860		3575
2861	sub cfg_load {	3576	0 < aio_load "$CONFDIR/config", my $config
2862	open my $fh, "<:utf8", "$CONFDIR/config"	3577	or die "$CONFDIR/config: $!";
2863	or return;
2864		3578
2865	local $/;	3579	utf8::decode $config;
2866	*CFG = YAML::Syck::Load <$fh>;	3580	*CFG = yaml_load $config;
2867		3581
2868	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2869		3583
2870	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2871	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2872		3586
2873	if (exists $CFG{mlockall}) {	3587	if (exists $CFG{mlockall}) {
…		…
2877	};	3591	};
2878	warn $@ if $@;	3592	warn $@ if $@;
2879	}	3593	}
2880	}	3594	}
2881		3595
		3596	sub pidfile() {
		3597	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3598	or die "$PIDFILE: $!";
		3599	flock $fh, &Fcntl::LOCK_EX
		3600	or die "$PIDFILE: flock: $!";
		3601	$fh
		3602	}
		3603
		3604	# make sure only one server instance is running at any one time
		3605	sub atomic {
		3606	my $fh = pidfile;
		3607
		3608	my $pid = <$fh>;
		3609	kill 9, $pid if $pid > 0;
		3610
		3611	seek $fh, 0, 0;
		3612	print $fh $$;
		3613	}
		3614
		3615	sub main_loop {
		3616	trace "EV::loop starting\n";
		3617	if (1) {
		3618	EV::loop;
		3619	}
		3620	trace "EV::loop returned\n";
		3621	goto &main_loop unless $REALLY_UNLOOP;
		3622	}
		3623
2882	sub main {	3624	sub main {
		3625	cf::init_globals; # initialise logging
		3626
		3627	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3628	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3629	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3630	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3631
		3632	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3633
2883	# we must not ever block the main coroutine	3634	# we must not ever block the main coroutine
2884	local $Coro::idle = sub {	3635	local $Coro::idle = sub {
2885	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3636	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2886	(async {	3637	(async {
2887	Event::one_event;	3638	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3639	EV::loop EV::LOOP_ONESHOT;
2888	})->prio (Coro::PRIO_MAX);	3640	})->prio (Coro::PRIO_MAX);
2889	};	3641	};
2890		3642
2891	cfg_load;	3643	evthread_start IO::AIO::poll_fileno;
		3644
		3645	cf::sync_job {
		3646	cf::incloader::init ();
		3647
		3648	cf::init_anim;
		3649	cf::init_attackmess;
		3650	cf::init_dynamic;
		3651
		3652	cf::load_settings;
		3653
		3654	reload_resources;
		3655	reload_config;
2892	db_init;	3656	db_init;
		3657
		3658	cf::init_uuid;
		3659	cf::init_signals;
		3660	cf::init_skills;
		3661
		3662	cf::init_beforeplay;
		3663
		3664	atomic;
		3665
2893	load_extensions;	3666	load_extensions;
2894		3667
2895	$TICK_WATCHER->start;	3668	utime time, time, $RUNTIMEFILE;
2896	Event::loop;	3669
		3670	# no (long-running) fork's whatsoever before this point(!)
		3671	use POSIX ();
		3672	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3673
		3674	cf::_post_init 0;
		3675	};
		3676
		3677	cf::object::thawer::errors_are_fatal 0;
		3678	info "parse errors in files are no longer fatal from this point on.\n";
		3679
		3680	my $free_main; $free_main = EV::idle sub {
		3681	undef $free_main;
		3682	undef &main; # free gobs of memory :)
		3683	};
		3684
		3685	goto &main_loop;
2897	}	3686	}
2898		3687
2899	#############################################################################	3688	#############################################################################
2900	# initialisation and cleanup	3689	# initialisation and cleanup
2901		3690
2902	# install some emergency cleanup handlers	3691	# install some emergency cleanup handlers
2903	BEGIN {	3692	BEGIN {
		3693	our %SIGWATCHER = ();
2904	for my $signal (qw(INT HUP TERM)) {	3694	for my $signal (qw(INT HUP TERM)) {
2905	Event->signal (	3695	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2906	reentrant => 0,
2907	data => WF_AUTOCANCEL,
2908	signal => $signal,
2909	prio => 0,
2910	cb => sub {
2911	cf::cleanup "SIG$signal";	3696	cf::cleanup "SIG$signal";
2912	},
2913	);	3697	};
2914	}	3698	}
2915	}	3699	}
2916		3700
2917	sub write_runtime {	3701	sub write_runtime_sync {
2918	my $runtime = "$LOCALDIR/runtime";	3702	my $t0 = AE::time;
2919		3703
2920	# first touch the runtime file to show we are still running:	3704	# first touch the runtime file to show we are still running:
2921	# the fsync below can take a very very long time.	3705	# the fsync below can take a very very long time.
2922		3706
2923	IO::AIO::aio_utime $runtime, undef, undef;	3707	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2924		3708
2925	my $guard = cf::lock_acquire "write_runtime";	3709	my $guard = cf::lock_acquire "write_runtime";
2926		3710
2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3711	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2928	or return;	3712	or return;
2929		3713
2930	my $value = $cf::RUNTIME + 90 + 10;	3714	my $value = $cf::RUNTIME + 90 + 10;
2931	# 10 is the runtime save interval, for a monotonic clock	3715	# 10 is the runtime save interval, for a monotonic clock
2932	# 60 allows for the watchdog to kill the server.	3716	# 60 allows for the watchdog to kill the server.
…		…
2942	aio_utime $fh, undef, undef;	3726	aio_utime $fh, undef, undef;
2943		3727
2944	close $fh	3728	close $fh
2945	or return;	3729	or return;
2946		3730
2947	aio_rename "$runtime~", $runtime	3731	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2948	and return;	3732	and return;
2949		3733
2950	warn "runtime file written.\n";	3734	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2951		3735
2952	1	3736	1
		3737	}
		3738
		3739	our $uuid_lock;
		3740	our $uuid_skip;
		3741
		3742	sub write_uuid_sync($) {
		3743	$uuid_skip ||= $_[0];
		3744
		3745	return if $uuid_lock;
		3746	local $uuid_lock = 1;
		3747
		3748	my $uuid = "$LOCALDIR/uuid";
		3749
		3750	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3751	or return;
		3752
		3753	my $value = uuid_seq uuid_cur;
		3754
		3755	unless ($value) {
		3756	info "cowardly refusing to write zero uuid value!\n";
		3757	return;
		3758	}
		3759
		3760	my $value = uuid_str $value + $uuid_skip;
		3761	$uuid_skip = 0;
		3762
		3763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3764	and return;
		3765
		3766	# always fsync - this file is important
		3767	aio_fsync $fh
		3768	and return;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$uuid~", $uuid
		3774	and return;
		3775
		3776	trace "uuid file written ($value).\n";
		3777
		3778	1
		3779
		3780	}
		3781
		3782	sub write_uuid($$) {
		3783	my ($skip, $sync) = @_;
		3784
		3785	$sync ? write_uuid_sync $skip
		3786	: async { write_uuid_sync $skip };
2953	}	3787	}
2954		3788
2955	sub emergency_save() {	3789	sub emergency_save() {
2956	my $freeze_guard = cf::freeze_mainloop;	3790	my $freeze_guard = cf::freeze_mainloop;
2957		3791
2958	warn "enter emergency perl save\n";	3792	info "emergency_perl_save: enter\n";
		3793
		3794	# this is a trade-off: we want to be very quick here, so
		3795	# save all maps without fsync, and later call a global sync
		3796	# (which in turn might be very very slow)
		3797	local $USE_FSYNC = 0;
2959		3798
2960	cf::sync_job {	3799	cf::sync_job {
		3800	cf::write_runtime_sync; # external watchdog should not bark
		3801
2961	# use a peculiar iteration method to avoid tripping on perl	3802	# use a peculiar iteration method to avoid tripping on perl
2962	# refcount bugs in for. also avoids problems with players	3803	# refcount bugs in for. also avoids problems with players
2963	# and maps saved/destroyed asynchronously.	3804	# and maps saved/destroyed asynchronously.
2964	warn "begin emergency player save\n";	3805	info "emergency_perl_save: begin player save\n";
2965	for my $login (keys %cf::PLAYER) {	3806	for my $login (keys %cf::PLAYER) {
2966	my $pl = $cf::PLAYER{$login} or next;	3807	my $pl = $cf::PLAYER{$login} or next;
2967	$pl->valid or next;	3808	$pl->valid or next;
		3809	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2968	$pl->save;	3810	$pl->save;
2969	}	3811	}
2970	warn "end emergency player save\n";	3812	info "emergency_perl_save: end player save\n";
2971		3813
2972	warn "begin emergency map save\n";	3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	info "emergency_perl_save: begin map save\n";
2973	for my $path (keys %cf::MAP) {	3817	for my $path (keys %cf::MAP) {
2974	my $map = $cf::MAP{$path} or next;	3818	my $map = $cf::MAP{$path} or next;
2975	$map->valid or next;	3819	$map->valid or next;
2976	$map->save;	3820	$map->save;
2977	}	3821	}
2978	warn "end emergency map save\n";	3822	info "emergency_perl_save: end map save\n";
2979		3823
2980	warn "begin emergency database checkpoint\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin database checkpoint\n";
2981	BDB::db_env_txn_checkpoint $DB_ENV;	3827	BDB::db_env_txn_checkpoint $DB_ENV;
2982	warn "end emergency database checkpoint\n";	3828	info "emergency_perl_save: end database checkpoint\n";
		3829
		3830	info "emergency_perl_save: begin write uuid\n";
		3831	write_uuid_sync 1;
		3832	info "emergency_perl_save: end write uuid\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	trace "emergency_perl_save: syncing database to disk";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838
		3839	info "emergency_perl_save: starting sync\n";
		3840	IO::AIO::aio_sync sub {
		3841	info "emergency_perl_save: finished sync\n";
		3842	};
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: flushing outstanding aio requests";
		3847	while (IO::AIO::nreqs || BDB::nreqs) {
		3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3849	}
		3850
		3851	cf::write_runtime_sync; # external watchdog should not bark
2983	};	3852	};
2984		3853
2985	warn "leave emergency perl save\n";	3854	info "emergency_perl_save: leave\n";
2986	}	3855	}
2987		3856
2988	sub post_cleanup {	3857	sub post_cleanup {
2989	my ($make_core) = @_;	3858	my ($make_core) = @_;
2990		3859
		3860	IO::AIO::flush;
		3861
2991	warn Carp::longmess "post_cleanup backtrace"	3862	error Carp::longmess "post_cleanup backtrace"
2992	if $make_core;	3863	if $make_core;
		3864
		3865	my $fh = pidfile;
		3866	unlink $PIDFILE if <$fh> == $$;
		3867	}
		3868
		3869	# a safer delete_package, copied from Symbol
		3870	sub clear_package($) {
		3871	my $pkg = shift;
		3872
		3873	# expand to full symbol table name if needed
		3874	unless ($pkg =~ /^main::.*::$/) {
		3875	$pkg = "main$pkg" if $pkg =~ /^::/;
		3876	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3877	$pkg .= '::' unless $pkg =~ /::$/;
		3878	}
		3879
		3880	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3881	my $stem_symtab = *{$stem}{HASH};
		3882
		3883	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3884	or return;
		3885
		3886	# clear all symbols
		3887	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3888	for my $name (keys %$leaf_symtab) {
		3889	_gv_clear *{"$pkg$name"};
		3890	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3891	}
2993	}	3892	}
2994		3893
2995	sub do_reload_perl() {	3894	sub do_reload_perl() {
2996	# can/must only be called in main	3895	# can/must only be called in main
2997	if ($Coro::current != $Coro::main) {	3896	unless (in_main) {
2998	warn "can only reload from main coroutine";	3897	error "can only reload from main coroutine";
2999	return;	3898	return;
3000	}	3899	}
3001		3900
3002	warn "reloading...";	3901	return if $RELOAD++;
3003		3902
3004	warn "entering sync_job";	3903	my $t1 = AE::time;
3005		3904
		3905	while ($RELOAD) {
		3906	cf::get_slot 0.1, -1, "reload_perl";
		3907	info "perl_reload: reloading...";
		3908
		3909	trace "perl_reload: entering sync_job";
		3910
3006	cf::sync_job {	3911	cf::sync_job {
3007	cf::write_runtime; # external watchdog should not bark
3008	cf::emergency_save;	3912	#cf::emergency_save;
3009	cf::write_runtime; # external watchdog should not bark
3010		3913
3011	warn "syncing database to disk";
3012	BDB::db_env_txn_checkpoint $DB_ENV;
3013
3014	# if anything goes wrong in here, we should simply crash as we already saved
3015
3016	warn "cancelling all WF_AUTOCANCEL watchers";
3017	for (Event::all_watchers) {
3018	$_->cancel if $_->data & WF_AUTOCANCEL;
3019	}
3020
3021	warn "flushing outstanding aio requests";
3022	for (;;) {
3023	BDB::flush;
3024	IO::AIO::flush;
3025	Coro::cede;
3026	last unless IO::AIO::nreqs || BDB::nreqs;
3027	warn "iterate...";
3028	}
3029
3030	++$RELOAD;
3031
3032	warn "cancelling all extension coros";	3914	trace "perl_reload: cancelling all extension coros";
3033	$_->cancel for values %EXT_CORO;	3915	$_->cancel for values %EXT_CORO;
3034	%EXT_CORO = ();	3916	%EXT_CORO = ();
3035		3917
3036	warn "removing commands";	3918	trace "perl_reload: removing commands";
3037	%COMMAND = ();	3919	%COMMAND = ();
3038		3920
3039	warn "removing ext/exti commands";	3921	trace "perl_reload: removing ext/exti commands";
3040	%EXTCMD = ();	3922	%EXTCMD = ();
3041	%EXTICMD = ();	3923	%EXTICMD = ();
3042		3924
3043	warn "unloading/nuking all extensions";	3925	trace "perl_reload: unloading/nuking all extensions";
3044	for my $pkg (@EXTS) {	3926	for my $pkg (@EXTS) {
3045	warn "... unloading $pkg";	3927	trace "... unloading $pkg";
3046		3928
3047	if (my $cb = $pkg->can ("unload")) {	3929	if (my $cb = $pkg->can ("unload")) {
3048	eval {	3930	eval {
3049	$cb->($pkg);	3931	$cb->($pkg);
3050	1	3932	1
3051	} or warn "$pkg unloaded, but with errors: $@";	3933	} or error "$pkg unloaded, but with errors: $@";
		3934	}
		3935
		3936	trace "... clearing $pkg";
		3937	clear_package $pkg;
3052	}	3938	}
3053		3939
3054	warn "... nuking $pkg";
3055	Symbol::delete_package $pkg;
3056	}
3057
3058	warn "unloading all perl modules loaded from $LIBDIR";	3940	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3059	while (my ($k, $v) = each %INC) {	3941	while (my ($k, $v) = each %INC) {
3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3942	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3061		3943
3062	warn "... unloading $k";	3944	trace "... unloading $k";
3063	delete $INC{$k};	3945	delete $INC{$k};
3064		3946
3065	$k =~ s/\.pm$//;	3947	$k =~ s/\.pm$//;
3066	$k =~ s/\//::/g;	3948	$k =~ s/\//::/g;
3067		3949
3068	if (my $cb = $k->can ("unload_module")) {	3950	if (my $cb = $k->can ("unload_module")) {
3069	$cb->();	3951	$cb->();
		3952	}
		3953
		3954	clear_package $k;
3070	}	3955	}
3071		3956
3072	Symbol::delete_package $k;
3073	}
3074
3075	warn "getting rid of safe::, as good as possible";	3957	trace "perl_reload: getting rid of safe::, as good as possible";
3076	Symbol::delete_package "safe::$_"	3958	clear_package "safe::$_"
3077	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3078		3960
3079	warn "unloading cf.pm \"a bit\"";	3961	trace "perl_reload: unloading cf.pm \"a bit\"";
3080	delete $INC{"cf.pm"};	3962	delete $INC{"cf.pm"};
3081	delete $INC{"cf/pod.pm"};	3963	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3082		3964
3083	# don't, removes xs symbols, too,	3965	# don't, removes xs symbols, too,
3084	# and global variables created in xs	3966	# and global variables created in xs
3085	#Symbol::delete_package __PACKAGE__;	3967	#clear_package __PACKAGE__;
3086		3968
3087	warn "unload completed, starting to reload now";	3969	info "perl_reload: unload completed, starting to reload now";
3088		3970
3089	warn "reloading cf.pm";	3971	trace "perl_reload: reloading cf.pm";
3090	require cf;	3972	require cf;
3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3973	cf::_connect_to_perl_1;
3092		3974
3093	warn "loading config and database again";	3975	trace "perl_reload: loading config and database again";
3094	cf::cfg_load;	3976	cf::reload_config;
3095		3977
3096	warn "loading extensions";	3978	trace "perl_reload: loading extensions";
3097	cf::load_extensions;	3979	cf::load_extensions;
3098		3980
		3981	if ($REATTACH_ON_RELOAD) {
3099	warn "reattaching attachments to objects/players";	3982	trace "perl_reload: reattaching attachments to objects/players";
3100	_global_reattach; # objects, sockets	3983	_global_reattach; # objects, sockets
3101	warn "reattaching attachments to maps";	3984	trace "perl_reload: reattaching attachments to maps";
3102	reattach $_ for values %MAP;	3985	reattach $_ for values %MAP;
3103	warn "reattaching attachments to players";	3986	trace "perl_reload: reattaching attachments to players";
3104	reattach $_ for values %PLAYER;	3987	reattach $_ for values %PLAYER;
		3988	}
3105		3989
3106	warn "leaving sync_job";	3990	cf::_post_init 1;
3107		3991
		3992	trace "perl_reload: leaving sync_job";
		3993
3108	1	3994	1
3109	} or do {	3995	} or do {
3110	warn $@;	3996	error $@;
3111	warn "error while reloading, exiting.";	3997	cf::cleanup "perl_reload: error, exiting.";
3112	exit 1;	3998	};
		3999
		4000	--$RELOAD;
3113	};	4001	}
3114		4002
3115	warn "reloaded";	4003	$t1 = AE::time - $t1;
		4004	info "perl_reload: completed in ${t1}s\n";
3116	};	4005	};
3117		4006
3118	our $RELOAD_WATCHER; # used only during reload	4007	our $RELOAD_WATCHER; # used only during reload
3119		4008
3120	sub reload_perl() {	4009	sub reload_perl() {
3121	# doing reload synchronously and two reloads happen back-to-back,	4010	# doing reload synchronously and two reloads happen back-to-back,
3122	# coro crashes during coro_state_free->destroy here.	4011	# coro crashes during coro_state_free->destroy here.
3123		4012
3124	$RELOAD_WATCHER ||= Event->timer (	4013	$RELOAD_WATCHER ||= cf::async {
3125	reentrant => 0,	4014	Coro::AIO::aio_wait cache_extensions;
3126	after => 0,	4015
3127	data => WF_AUTOCANCEL,	4016	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3128	cb => sub {
3129	do_reload_perl;	4017	do_reload_perl;
3130	undef $RELOAD_WATCHER;	4018	undef $RELOAD_WATCHER;
3131	},	4019	};
3132	);	4020	};
3133	}	4021	}
3134		4022
3135	register_command "reload" => sub {	4023	register_command "reload" => sub {
3136	my ($who, $arg) = @_;	4024	my ($who, $arg) = @_;
3137		4025
3138	if ($who->flag (FLAG_WIZ)) {	4026	if ($who->flag (FLAG_WIZ)) {
3139	$who->message ("reloading server.");	4027	$who->message ("reloading server.");
		4028	async {
		4029	$Coro::current->{desc} = "perl_reload";
3140	async { reload_perl };	4030	reload_perl;
		4031	};
3141	}	4032	}
3142	};	4033	};
3143		4034
3144	unshift @INC, $LIBDIR;	4035	#############################################################################
3145		4036
3146	my $bug_warning = 0;	4037	my $bug_warning = 0;
3147		4038
3148	our @WAIT_FOR_TICK;	4039	our @WAIT_FOR_TICK;
3149	our @WAIT_FOR_TICK_BEGIN;	4040	our @WAIT_FOR_TICK_BEGIN;
3150		4041
3151	sub wait_for_tick {	4042	sub wait_for_tick() {
3152	return unless $TICK_WATCHER->is_active;
3153	return if $Coro::current == $Coro::main;	4043	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3154		4044
3155	my $signal = new Coro::Signal;	4045	my $signal = new Coro::Signal;
3156	push @WAIT_FOR_TICK, $signal;	4046	push @WAIT_FOR_TICK, $signal;
3157	$signal->wait;	4047	$signal->wait;
3158	}	4048	}
3159		4049
3160	sub wait_for_tick_begin {	4050	sub wait_for_tick_begin() {
3161	return unless $TICK_WATCHER->is_active;
3162	return if $Coro::current == $Coro::main;	4051	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3163		4052
3164	my $signal = new Coro::Signal;	4053	my $signal = new Coro::Signal;
3165	push @WAIT_FOR_TICK_BEGIN, $signal;	4054	push @WAIT_FOR_TICK_BEGIN, $signal;
3166	$signal->wait;	4055	$signal->wait;
3167	}	4056	}
3168		4057
3169	my $min = 1e6;#d#	4058	sub tick {
3170	my $avg = 10;
3171	$TICK_WATCHER = Event->timer (
3172	reentrant => 0,
3173	parked => 1,
3174	prio => 0,
3175	at => $NEXT_TICK || $TICK,
3176	data => WF_AUTOCANCEL,
3177	cb => sub {
3178	if ($Coro::current != $Coro::main) {	4059	if ($Coro::current != $Coro::main) {
3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4060	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3180	unless ++$bug_warning > 10;	4061	unless ++$bug_warning > 10;
3181	return;	4062	return;
3182	}	4063	}
3183		4064
3184	$NOW = $tick_start = Event::time;
3185
3186	cf::server_tick; # one server iteration	4065	cf::server_tick; # one server iteration
3187		4066
3188	0 && sync_job {#d#	4067	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3189	for(1..10) {
3190	my $t = Event::time;
3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3192	or die;
3193		4068
3194	$map->width (50);	4069	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3195	$map->height (50);	4070	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3196	$map->alloc;	4071	Coro::async_pool {
3197	$map->_load_objects ("/tmp/x.map", 1);	4072	$Coro::current->{desc} = "runtime saver";
3198	my $t = Event::time - $t;	4073	write_runtime_sync
3199		4074	or error "ERROR: unable to write runtime file: $!";
3200	#next unless $t < 0.0013;#d#
3201	if ($t < $min) {
3202	$min = $t;
3203	}
3204	$avg = $avg * 0.99 + $t * 0.01;
3205	}
3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3207	exit 0;
3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3209	};	4075	};
		4076	}
3210		4077
3211	$RUNTIME += $TICK;
3212	$NEXT_TICK += $TICK;
3213
3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
3216	Coro::async_pool {
3217	write_runtime
3218	or warn "ERROR: unable to write runtime file: $!";
3219	};
3220	}
3221
3222	# my $AFTER = Event::time;
3223	# warn $AFTER - $NOW;#d#
3224
3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4078	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3226	$sig->send;	4079	$sig->send;
3227	}	4080	}
3228	while (my $sig = shift @WAIT_FOR_TICK) {	4081	while (my $sig = shift @WAIT_FOR_TICK) {
3229	$sig->send;	4082	$sig->send;
3230	}	4083	}
3231		4084
3232	$NOW = Event::time;	4085	$LOAD = ($NOW - $TICK_START) / $TICK;
3233
3234	# if we are delayed by four ticks or more, skip them all
3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3236
3237	$TICK_WATCHER->at ($NEXT_TICK);
3238	$TICK_WATCHER->start;
3239
3240	$LOAD = ($NOW - $tick_start) / $TICK;
3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4086	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3242		4087
3243	_post_tick;	4088	if (0) {
3244		4089	if ($NEXT_TICK) {
3245		4090	my $jitter = $TICK_START - $NEXT_TICK;
		4091	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4092	debug "jitter $JITTER\n";#d#
		4093	}
3246	},	4094	}
3247	);	4095	}
3248		4096
3249	{	4097	{
3250	BDB::max_poll_time $TICK * 0.1;	4098	# configure BDB
3251	$BDB_POLL_WATCHER = Event->io (	4099
3252	reentrant => 0,
3253	fd => BDB::poll_fileno,
3254	poll => 'r',
3255	prio => 0,
3256	data => WF_AUTOCANCEL,
3257	cb => \&BDB::poll_cb,
3258	);
3259	BDB::min_parallel 8;	4100	BDB::min_parallel 16;
3260		4101	BDB::max_poll_reqs $TICK * 0.1;
3261	BDB::set_sync_prepare {	4102	$AnyEvent::BDB::WATCHER->priority (1);
3262	my $status;
3263	my $current = $Coro::current;
3264	(
3265	sub {
3266	$status = $!;
3267	$current->ready; undef $current;
3268	},
3269	sub {
3270	Coro::schedule while defined $current;
3271	$! = $status;
3272	},
3273	)
3274	};
3275		4103
3276	unless ($DB_ENV) {	4104	unless ($DB_ENV) {
3277	$DB_ENV = BDB::db_env_create;	4105	$DB_ENV = BDB::db_env_create;
		4106	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4107	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4108	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4109	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4110	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3278		4111
3279	cf::sync_job {	4112	cf::sync_job {
3280	eval {	4113	eval {
3281	BDB::db_env_open	4114	BDB::db_env_open
3282	$DB_ENV,	4115	$DB_ENV,
…		…
3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4117	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4118	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3286	0666;	4119	0666;
3287		4120
3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4121	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3289
3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3291	$DB_ENV->set_lk_detect;
3292	};	4122	};
3293		4123
3294	cf::cleanup "db_env_open(db): $@" if $@;	4124	cf::cleanup "db_env_open(db): $@" if $@;
3295	};	4125	};
3296	}	4126	}
		4127
		4128	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4129	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4130	};
		4131	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4132	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4133	};
		4134	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4135	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4136	};
3297	}	4137	}
3298		4138
3299	{	4139	{
		4140	# configure IO::AIO
		4141
3300	IO::AIO::min_parallel 8;	4142	IO::AIO::min_parallel 8;
3301
3302	undef $Coro::AIO::WATCHER;
3303	IO::AIO::max_poll_time $TICK * 0.1;	4143	IO::AIO::max_poll_time $TICK * 0.1;
3304	$AIO_POLL_WATCHER = Event->io (	4144	undef $AnyEvent::AIO::WATCHER;
3305	reentrant => 0,
3306	data => WF_AUTOCANCEL,
3307	fd => IO::AIO::poll_fileno,
3308	poll => 'r',
3309	prio => 6,
3310	cb => \&IO::AIO::poll_cb,
3311	);
3312	}	4145	}
3313		4146
3314	my $_log_backtrace;	4147	our $_log_backtrace;
		4148	our $_log_backtrace_last;
3315		4149
3316	sub _log_backtrace {	4150	sub _log_backtrace {
3317	my ($msg, @addr) = @_;	4151	my ($msg, @addr) = @_;
3318		4152
3319	$msg =~ s/\n//;	4153	$msg =~ s/\n$//;
3320		4154
		4155	if ($_log_backtrace_last eq $msg) {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3321	# limit the # of concurrent backtraces	4158	# limit the # of concurrent backtraces
3322	if ($_log_backtrace < 2) {	4159	} elsif ($_log_backtrace < 2) {
		4160	$_log_backtrace_last = $msg;
3323	++$_log_backtrace;	4161	++$_log_backtrace;
		4162	my $perl_bt = Carp::longmess $msg;
3324	async {	4163	async {
		4164	$Coro::current->{desc} = "abt $msg";
		4165
3325	my @bt = fork_call {	4166	my @bt = fork_call {
3326	@addr = map { sprintf "%x", $_ } @addr;	4167	@addr = map { sprintf "%x", $_ } @addr;
3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4168	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4169	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3329	or die "addr2line: $!";	4170	or die "addr2line: $!";
…		…
3337	}	4178	}
3338		4179
3339	@funcs	4180	@funcs
3340	};	4181	};
3341		4182
3342	LOG llevInfo, "[ABT] $msg\n";	4183	LOG llevInfo, "[ABT] $perl_bt\n";
		4184	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3343	LOG llevInfo, "[ABT] $_\n" for @bt;	4185	LOG llevInfo, "[ABT] $_\n" for @bt;
3344	--$_log_backtrace;	4186	--$_log_backtrace;
3345	};	4187	};
3346	} else {	4188	} else {
3347	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $msg\n";
3348	LOG llevInfo, "[ABT] [suppressed]\n";	4190	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3349	}	4191	}
3350	}	4192	}
3351		4193
3352	# load additional modules	4194	# load additional modules
3353	use cf::pod;	4195	require "cf/$_.pm" for @EXTRA_MODULES;
		4196	cf::_connect_to_perl_2;
3354		4197
3355	END { cf::emergency_save }	4198	END { cf::emergency_save }
3356		4199
3357	1	4200	1
3358		4201

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